性—个人性的决定因素
Sex - Factors in Determining a Person's Sex

5. 外部性器官    External sex organs

正常时   Typical:
女性具有阴蒂、大阴唇和小阴唇等等。
男性具有阴茎和阴囊。

The female body has a clitoris, major (outer) lips and minor (inner) lips etc.
The male body has a penis and a scrotum.

异常时   Atypical:
在罕见的案例里，这些器官发育不良或缺乏。

In rare cases, these organs are underdeveloped or missing.